Home / 170,120.04-255,274.02-70,257

Finding the Fourth Proportional to 170,120.04, 255,274.02 and 70,257

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Solution

The fourth proportional to 170,120.04, 255,274.02 and 70,257 is: 105,424.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,120.04 : 255,274.02 = 70,257 : x
  2. Step 2: Convert to fraction form
    170,120.04/255,274.02 = 70,257/x
  3. Step 3: Cross multiply
    170,120.04x = 255,274.02 × 70,257
  4. Step 4: Simplify right side
    170,120.04x = 17,934,786,823.14
  5. Step 5: Solve for x
    x = 17,934,786,823.14/170,120.04
  6. Step 6: Final answer
    x = 105,424.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.